Medical valve



FIG. 1 is a perspective view of a medical valve showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a side elevational view of the left side thereof, with the opposite side being a mirror image thereof. 

The ornamental design for a medical valve, as shown and described. 